DA-7F66 Attic Exhaust Fan from Dayton Over 1000 CFM

Description:Don't lose your cool - keep your attic fresh and breezy with the Dayton 7F66 attic exhaust fan. The built-in thermostat senses when the fan is necessary. Hot, stuffy air is whisked away, and then the fan shuts off, conserving energy - and saving you valuable cash! UL-listed for safety, the Dayton 7F66 features a blade guard to protect against wear and tear.